Concert Pharmaceuticals Announces Notice of Allowance for U.S. Patent Application Related to CTP-543, Lead Candidate for Treatment of Alopecia Areata

Claims cover pharmaceutical compositions of CTP-543 and methods of treating alopecia areata with CTP-543

New patent expected to expire in 2037

Concert expects to advance CTP-543 into Phase 3 evaluation for alopecia areata in 2020

Concert Pharmaceuticals, Inc. (NASDAQ: CNCE) today announced that it has received a Notice of Allowance from the U.S. Patent and Trademark Office for patent application No. 16/098,338 related to CTP-543, the Company’s investigational treatment for alopecia areata. The patent, which is expected to expire in 2037, covers pharmaceutical compositions of CTP-543 and methods of treating alopecia areata with CTP-543. The Company intends to conduct an end of Phase 2 meeting with the U.S. Food and Drug Administration (FDA) and advance CTP-543 into Phase 3 evaluation in 2020.

"Concert is pursuing multiple avenues for securing its patent position for CTP-543. Importantly, this patent covers the clinical doses of CTP-543 that produced the robust results observed in our Phase 2 dose-ranging trial for the treatment of alopecia areata and upon issuance will be Orange Book eligible," stated Roger Tung, Ph.D., President and Chief Executive Officer of Concert Pharmaceuticals. "As we prepare to advance CTP-543 into pivotal testing in 2020, we look forward to having this new patent as an important element of our IP estate."

About CTP-543 and Alopecia Areata

CTP-543 is an oral selective inhibitor of Janus kinases JAK1 and JAK2. The FDA has granted Fast Track designation for CTP-543 for the treatment of alopecia areata.

Alopecia areata is an autoimmune disease in which the immune system attacks hair follicles, resulting in partial or complete loss of hair on the scalp and body. Alopecia areata may affect up to 650,000 Americans at any given time1. The scalp is the most commonly affected area, but any hair-bearing site can be affected alone or together with the scalp. Onset of the disease can occur throughout life and affects both women and men. Alopecia areata can be associated with serious psychological consequences, including anxiety and depression. There are currently no drugs approved by the FDA for the treatment of alopecia areata.

The FDA selected alopecia areata as one of eight new disease areas that it focused on under its Patient-Focused Drug Development Initiative (PFDDI) in 2016-2017. The goal of the PFDDI was to bring patient perspectives into an earlier stage of product development. Following the FDA’s Patient-Focused Drug Development meeting held in September 2017 on alopecia areata, the FDA summarized the input shared by patients and patient representatives in a Voice of the Patient report. Additional information on the PFDDI is available online.

About Concert
Concert Pharmaceuticals is a clinical stage biopharmaceutical company focused on applying its DCE Platform® (deuterated chemical entity platform) to create novel medicines designed to treat serious diseases and address unmet patient needs. The Company’s approach starts with previously studied compounds, including approved drugs, in which deuterium substitution has the potential to enhance clinical safety, tolerability or efficacy. Concert’s pipeline of innovative medicines targets autoimmune diseases and central nervous systems (CNS) disorders. For more information please visit www.concertpharma.com or follow us on Twitter at @ConcertPharma or on LinkedIn.

Cautionary Note on Forward Looking Statements

Any statements in this press release about our future expectations, plans and prospects, including, among others, statements about our expectations regarding the issuance of a patent following receipt of a Notice of Allowance and the clinical development of CTP-543, and any other statements containing the words "anticipate," "believe," "continue," "could," "estimate," "expect," "intend," "may," "plan," "potential," "predict," "project," "should," "target," "will," "would" and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: the uncertainties inherent in the initiation of future clinical trials, whether preliminary results from a clinical trial will be predictive of the final results of that trial or whether results of early clinical trials will be indicative of the results of later clinical trials, expectations for regulatory approvals and other factors discussed in the "Risk Factors" section of our most recent Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission and in other filings that we make with the Securities and Exchange Commission. In addition, any forward-looking statements included in this press release represent our views only as of the date of this release and should not be relied upon as representing our views as of any subsequent date. We specifically disclaim any obligation to update any forward-looking statements included in this press release.

1 Fricke M. Epidemiology and Burden of alopecia areata: a systemic review. Clinical, Cosmetic and Investigational Dermatology. 2015; Vol 8. 397-403.

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Contacts

Justine Koenigsberg (investors)
Concert Pharmaceuticals, Inc.
(781) 674-5284
ir@concertpharma.com

Kathryn Morris (media)
The Yates Network
(914) 204-6412
kathryn@theyatesnetwork.com